GUNAWARDANE, Damitha Asanga; DHARMARATNE, Samath D; DHARMARATNE, Samath D. Level of fatigue and daytime sleepiness among heavy vehicle drivers in Sri Lanka. South East Asia Journal of Public Health, [S. l.], v. 4, n. 1, p. 9–16, 2015. DOI: 10.3329/seajph.v4i1.21832. Disponível em: https://www.banglajol.info/index.php/SEAJPH/article/view/21832. Acesso em: 8 sep. 2025.